Question

for
A can do a piece of work in 80days. He works at it
10 days and then B alone finishes the world
work in 42 days. How many days B alone
do it ?​

Answer 1

Answer:

bhai pata nai yaar

Step-by-step explanation:

aree bhai kasam se kuch nai pata yaar

Answer 2

Answer:

qwertyuiopasdfghjklzxtyik

Step-by-step explanation:

sorry I not know the answer of this question